Voiceflow

Voiceflow lets teams design, deploy, and monitor AI agents across phone and digital channels. Phone agents can receive or place calls, connect provisioned or provider numbers, use APIs and business tools, complete tasks, transfer calls, and support controlled rollout across environments.

Editorial research · Reviewed Jul 10, 2026

Test it yourself

Official Voiceflow signup for building and testing an agent.

Try it yourself

Quick facts

Platform type

Voice Agent Platform

Inbound calls

Yes

Outbound calls

Yes

Human handoff

Yes

Setup difficulty

Medium

Pricing model

Plan and usage-based pricing; phone, model, provider, and integration costs vary

Developer friendly

Yes

Pricing details

Voiceflow combines workspace plans and usage credits with model, telephony, number, and provider costs. Verify the current pricing page and estimate the complete selected stack.

Integrations

Voiceflow NumbersTwilioVonageTelnyxSalesforceZendeskHubSpotCustom API

Data and permissions

Voice agents may talk to customers, access records, record calls, and trigger external actions.

Can read customer data

Can write or update external systems

Can send messages

Can trigger workflows

Requires API keys

Records calls

Human approval available

Separate environments, scope provider and tool credentials, validate every tool call, require consent for outbound traffic, configure DTMF for sensitive values, and define call-forwarding fallbacks.